AirHint found the following cheapest return flights from Montreal (YUL) to Krakow (KRK) in December 2025 (see full year).

Return flights

08 Dec - 15 Dec	Air Transat
01 Dec - 08 Dec	Air Transat
07 Dec - 14 Dec	Air Transat
02 Dec - 09 Dec	Air Transat
03 Dec - 10 Dec	Air Transat
05 Dec - 12 Dec	Air Transat
06 Dec - 13 Dec	SWISS
09 Dec - 16 Dec	SWISS
04 Dec - 11 Dec	Air Canada
10 Dec - 17 Dec	FrenchBee
31 Dec - 07 Jan	SWISS
30 Dec - 06 Jan	SWISS
29 Dec - 05 Jan	KLM
28 Dec - 04 Jan	Air Transat
25 Dec - 01 Jan	Air Canada
27 Dec - 03 Jan	Air Transat
26 Dec - 02 Jan	KLM

Also check the deals for one-way flights from Montreal to Krakow in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Montreal to Krakow in December from $654

Return flights